mybatis 按照條件查詢

@Autowired
private StudentMapper studentMapper;

@Override
public Map getStudentList(int page, int rows,long studentId) {

    // 設置分頁信息
    PageHelper.startPage(page, rows);
    // 執行查詢
    StudentExample example = new StudentExample();
    Criteria criteria = example.createCriteria();
    
 
//根據學生 id 查詢
    criteria.andStudentIdEqualTo(studentId);
    //執行查詢
    List<Student> list = studentMapper.selectByExample(example);

    // 取分頁信息
    PageInfo<TbContent> info = new PageInfo<>(list);

    Map map= new HashMap();
    map.setRows(list);
    map.setTotal(info.getTotal());

    
 
return map;
} 

mybatis 按照條件查詢